protected override bool ExecuteCore(PackageItem item)
{
var activePackageManager = GetActivePackageManager();
Debug.Assert(activePackageManager != null);
var walker = new InstallWalker(
ProjectManager.LocalRepository,
activePackageManager.SourceRepository,
this,
ignoreDependencies: false);
IList <PackageOperation> operations = walker.ResolveOperations(item.PackageIdentity).ToList();
IList <IPackage> scriptPackages = (from o in operations
where o.Package.HasPowerShellScript()
select o.Package).ToList();
if (scriptPackages.Count > 0)
{
if (!RegistryHelper.CheckIfPowerShell2Installed())
{
throw new InvalidOperationException(Resources.Dialog_PackageHasPSScript);
}
}
IEnumerable <IPackage> licensePackages = from o in operations
where o.Action == PackageAction.Install && o.Package.RequireLicenseAcceptance && !activePackageManager.LocalRepository.Exists(o.Package)
select o.Package;
// display license window if necessary
if (licensePackages.Any())
{
// hide the progress window if we are going to show license window
HideProgressWindow();
bool accepted = _licenseWindowOpener.ShowLicenseWindow(licensePackages);
if (!accepted)
{
return(false);
}
ShowProgressWindow();
}
try {
RegisterPackageOperationEvents(activePackageManager);
ExecuteCommand(item, activePackageManager, operations);
}
finally {
UnregisterPackageOperationEvents(activePackageManager);
}
return(true);
}
